diff --git a/vmtest/rootfsbuild.py b/vmtest/rootfsbuild.py
index 36e7eda8d..42736d530 100644
--- a/vmtest/rootfsbuild.py
+++ b/vmtest/rootfsbuild.py
@@ -41,6 +41,7 @@
     "kmod",
     "python3-pyroute2",
     "python3-pytest",
+    "zstd",
 ]